<?php
/**
 * Created by PhpStorm.
 * User: idn-lee
 * Date: 17-11-1
 * Time: 上午9:22
 */

namespace Voila\AdminPanel\app\Http\Middleware;



use Closure;
use Illuminate\Contracts\Auth\Factory as Auth;
use Voila\AdminPanel\app\Exceptions\VoilaAuthenticationException;

class Authenticate
{
    /**
     * The authentication factory instance.
     *
     * @var \Illuminate\Contracts\Auth\Factory
     */
    protected $auth;

    /**
     * Create a new middleware instance.
     *
     * @param  \Illuminate\Contracts\Auth\Factory  $auth
     * @return void
     */
    public function __construct(Auth $auth)
    {
        $this->auth = $auth;
    }

    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @param  string[]  ...$guards
     * @return mixed
     *
     * @throws \Illuminate\Auth\AuthenticationException
     */
    public function handle($request, Closure $next, ...$guards)
    {
        $this->authenticate($guards);

        return $next($request);
    }

    /**
     * Determine if the user is logged in to any of the given guards.
     *
     * @param  array $guards
     *
     * @return void
     *
     * @throws VoilaAuthenticationException
     */
    protected function authenticate(array $guards)
    {
        if (empty($guards)) {
            return $this->auth->authenticate();
        }

        foreach ($guards as $guard) {
            if ($this->auth->guard($guard)->check()) {
                if ($checkHandler = config('voila.auth.check_handler')) {
                    return app($checkHandler)->check(auth()->guard($guard)->user());
                }                
                return $this->auth->shouldUse($guard);
            }
        }
        throw new VoilaAuthenticationException('Unauthenticated.', $guards);
    }
}
